KFU8-SR-Ex2.W / PF 204136 - Switch Amplifier

Switch Amplifier, KFU8-SR-Ex2.W / PF 204136 2-channel isolated barrier. Universal supply (19...30 V DC / 90...253 V AC 50...60 Hz). Dry contact or NAMUR inputs. Relay contact output. Line fault detection. (LFD) Reversible mode of operation. Up to SIL 2 (SC 3) acc. to IEC/EN 61508 Details: KFU8-SR-Ex2.W / PF 204136 Compatible Part Numbers: 204136 KFU8-SR-Ex2.W Technical Data Sheet: Datasheet excerpt: Technical data of KFU8-SR-Ex2.W / PF 204136 General specifications Signal type Digital Input Functional safety related parameters Safety Integrity Level (SIL) SIL 2 Supply Connection terminals 14, 15 Rated voltage 19 ... 30 V DC / 90 ... 253 V AC 50 ... 60 Hz Power dissipation ≤ 1.3 W / ≤ 1.3 W ; 3.6 VA Power consumption max. 1.3 W Input Connection side field side Connection terminals 1+, 2+, 3-; 4+, 5+, 6- Rated values acc. to EN 60947-5-6 (NAMUR) Open circuit voltage/short-circuit current approx. 8 V DC / approx. 8 mA Switching point/switching hysteresis 1.2 ... 2.1 mA / approx. 0.2 mA Line fault detection breakage I ≤ 0.1 mA , short-circuit I > 6 mA Pulse/Pause ratio min. 20 ms / min. 20 ms Output Connection side control side Connection output I: terminals 7, 8, 9 ; output II: terminals 10, 11, 12 Output I, II signal ; relay Contact loading 250 V AC/2 A/cos φ > 0.75; 126.5 V AC/4 A/cos φ > 0.75; 40 V DC/2 A resistive load Energized/De-energized delay approx. 20 ms / approx. 20 ms Mechanical life 107 switching cycles Transfer characteristics Switching frequency ≤ 10 Hz Galvanic isolation Input/Output reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff Input/power supply reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff Output/power supply reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff Output/Output reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff Indicators/settings Display elements LEDs Labeling space for labeling at the front Directive conformity Electromagnetic compatibility Directive 2014/30/EU EN 61326-1:2013 (industrial locations) Low voltage Directive 2014/35/EU EN 61010-1:2010 Conformity Electromagnetic compatibility NE 21:2006 Degree of protection IEC 60529:2001 Input EN 60947-5-6:2000 Ambient conditions Ambient temperature -40 ... 60 °C (-40 ... 140 °F) Mechanical specifications Degree of protection IP20 Connection screw terminals Mass approx. 150 g Dimensions 20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) (W x H x D) , housing type B2 Height 119 mm Width 20 mm Depth 115 mm Mounting on 35 mm DIN mounting rail acc. to EN 60715:2001